se·​rac | \ sə-ˈrak How to pronounce serac (audio) , sā- \

Definition of serac

: a pinnacle, sharp ridge, or block of ice among the crevasses of a glacier

Examples of serac in a Sentence

Recent Examples on the Web The detached section is know as a serac, or pinnacle of ice. Frances D'emilio, Anchorage Daily News, 3 July 2022 On September 21, Madison’s workers noticed a serac hanging nearly 3,000 feet over the Icefall. Frederick Reimers, Outside Online, 11 Oct. 2020 No one made it to the summit of Everest in the fall of 2019, and the serac fell sometime between October 2019 and November 2020. Frederick Reimers, Outside Online, 30 Dec. 2021 Leclerc was planning on visiting Torre Egger soon, on a route that would take him directly below the active serac. Los Angeles Times, 14 Sep. 2021 It’s this dynamic of fast and slow moving sections that creates ice seracs that are over 30 feet high and crevasses, some of which are over 150 feet deep. Alan Arnette, Outside Online, 26 Apr. 2018 After the serac collapsed, the damaged route was closed for two hours while a specialized team of Sherpas, known as the Icefall Doctors, climbed to the location with new ropes and ladders to make repairs. Alan Arnette, Outside Online, 26 Apr. 2018 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'serac.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of serac

1860, in the meaning defined above

History and Etymology for serac

French sérac, literally, a kind of white cheese, from Medieval Latin seracium whey, from Latin serum whey — more at serum

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Last Updated

8 Jul 2022

Cite this Entry

“Serac.” Dictionary, Merriam-Webster, Accessed 14 Aug. 2022.

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